Bunn S/N SNG0033000 & UP manual Wire Single Phase

Page 53

L1

 

 

SCHEMATIC WIRING DIAGRAM

 

 

 

 

 

 

N

 

 

 

 

 

SINGLE TF DBC

 

 

 

 

 

 

 

LIMIT THERMOSTAT

TRIAC

 

TANK HEATER

 

 

 

 

 

 

 

BLK-14

 

 

 

BLK-14

MT2

 

 

 

MT 1 BLU-14

WHI-14

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SWITCH UNIT ASSEMBLY

 

 

 

 

 

 

 

 

REFILL

 

 

 

 

 

 

SOL

WHI

 

 

 

 

 

 

 

 

 

 

BYPASS

 

 

 

FUNNEL SENSOR

 

 

SOL

 

WHI

 

VIO

 

 

 

 

 

 

 

 

 

 

 

WHI/VIO

 

VIO

 

BREW

 

 

 

 

 

 

 

 

 

 

 

 

SOL

WHI

 

 

 

 

 

 

 

 

 

WHI/GRN

 

 

 

 

 

 

GRY

RED

RED

 

 

WHI

 

 

 

 

CONTROL PC BOARD

 

N.C.

 

 

 

TAN

 

 

PNK

 

 

OVERFLOW

 

 

 

YEL

 

 

 

 

PROTECTION SWITCH

 

 

BLK

 

BLK

 

 

 

 

 

 

 

TEMP PROBE

 

WHI

 

 

 

WATER LEVEL

 

BRN/WHI

 

 

 

PROBE

GRN

 

BRN/BLK

 

 

 

 

 

 

 

SOL

 

 

 

 

 

 

FUNNEL LOCK

 

 

Switch Unit Assembly Codes

A1

Brew

C2

Medium Batch

A2

On/Off

C3

Small Batch

B1

"Hidden" Left

D1

"Digital" Left Hidden Button

B2

"Hidden" Right

D2

"Brewer" Center Hidden Button

C1

Large Batch

D3

"Control" Right Hidden Button

 

LED's

L1

Large Batch LED

L2

Medium Batch LED

L3

Small Batch LED

L4

On/Off LED

120 VOLT A.C.

2 WIRE SINGLE PHASE

60HZ

36883.0002A 11/04 © 2004 Bunn-O-Matic Corporation

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35879.1 071405

 

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Contents Phone 217 529-6601 FAX 217 Single TF DBCBUNN-O-MATIC Commercial Product Warranty Table of Contents User Notices 37881.0002 Volt ac single phase Hz modelsElectrical HOOK-UP 230 volt ac Single phase, 60 Hz models Electrical Requirements Models without power cordPlumbing HOOK-UP CE RequirementsPlumbing Requirements Batch Selector Switches Main ON/OFF SwitchON/OFF Switch Enable Brew Brew SwitchCoffee Brewing Initial SetupCleaning Glossary Programming Programming SwitchesProgramming Switch DRIP-OUT Times Program Functions LevelRecipes Returns to a LevelContinues to D Continues to Program Flow DiagramReturn to a Programming the Brewer Procedure for modifying units of measure Units Setting Units of MeasureThis function allows the operator to set Brew Procedure for Setting the RecipeSET NEW Recipe Refer to SET Pulse Brew for description SET NEW RecipesSizes DONE? Card Contains Recipe for Procedure to program the coffee nameReview RECIPES? Noyes Procedure for reviewing recipes Review RECIPES/MODIFY RECIPES/SET UP no Name Coffee NamesNext To exit, press Next until the display reads ThatScreen Brew OZ Setting or Adjusting Brew VOL- UmesReview Recipes BypassModifying pulse brew Range 1st on time off to 4 minutes SET Pulse BrewSET Pulse Brew NO-NAME ModifyshownextSET Pulse Brew Easy Pulse Setup DONE? SET Pulse Brew Enter TimesTIMES? Batches DONE? SET PreinfusionSetup Complete Assign Recipe ? Enable ADS?Assign Recipes Screen Spray OZ/M SET TempSET Ready Calibrate Spray .. Press Brew to Start Bypass OZ/MCalibrate Flow Start Procedures to calibrate the bypass flow rateCalibrate Flow Procedures to view/reset the brew counters Procedure to set funnel detectBrew Counters Funnel Detect optionalTesting individual components outputs Service ToolsProcedure to test components outputs Brew ValveFrequency Nothing PressedProcedure to set factory defaults Factory DefaultsTroubleshooting Procedures TroubleshootingScreen Displayed Possible CausePress ON/OFF to terminate the cycle TemperaturePress ON/OFF to terminate the brew cycle ON/OFF switch was pressed after the brew cycle was startedTank Heater failure Triac FailureWires shorted to housing, or to Temperature Sensor ProbeWater shut off to brewer Broken or not making connectionBrew switch Switch test procedures Equipment will not operate No power or incorrect voltageBrew Valve Switch test procedures Data plate within +/- 10%Overflow Protection Switch When this condition occurs, Troubleshooting Problem Possible CauseWith power removed from brewer Holding it in open state See above or boilingHeating Time TOO Long Limit ThermostatTroubleshooting Problem Server Pointing towards the brewer Inconsistent beverage level StrainerImproper water pressure 90 psi 138 and 620 kPaWater temperature Consistently high or low beverage Brew Volume adjustmentLevel in server For each brew cycleRemove and clean lime off tank heaters Troubleshooting Problem Possible Cause Weak beverageBrewer is making unusual noises Plumbing lines Water Supply Tank HeatersSchematic Wiring Diagram Single TF DBC Schematic Wiring Diagram Wire Single Phase Schematic Wiring Diagram Single TF DBC
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